<template>
  <el-dialog :title="title" :visible.sync="visible" :before-close="handleClose" :close-on-click-modal="false"
    :close-on-press-escape="false" append-to-body width="70%">

    <el-card shadow="never">
      <ProductSearch @search="reload" ref="searchRef" />

      <ele-split-layout width="244px" allow-collapse :right-style="{ overflow: 'hidden' }">
        <div class="ele-border-lighter split-layout-right-content">
          <el-tree :data="treeList" :props="defaultProps" ref="treeRef"
            :default-expanded-keys="categoryId ? [categoryId] : []" :highlight-current="true" node-key="id"
            @node-click="handleNodeClick"></el-tree>
        </div>


        <!-- 数据表格 -->
        <template v-slot:content>
          <ele-pro-table style="min-height: 400px;" ref="table" :columns="columns" :datasource="datasource"
            :selection.sync="selection" row-key="id">
          </ele-pro-table>
        </template>
      </ele-split-layout>

    </el-card>



    <div class="btns">
      <el-button type="primary" size="small" @click="selected">选择</el-button>
      <el-button size="small" @click="handleClose">关闭</el-button>
    </div>
  </el-dialog>
</template>

<script>


import { getList } from '@/api/classifyManage/itemInformation';
import ProductSearch from './product-search.vue'
import { getTreeByPid } from '@/api/classifyManage';
export default {
  components: {
    ProductSearch
  },
  data() {
    return {
      visible: false,
      title: '选择物料',

      categoryLevelId: null,
      categoryId: 1,
      treeList: [],
      treeLoading: false,

      defaultProps: {
        children: 'children',
        label: 'name'
      },
      type: null,

      // 表格列配置
      columns: [
        {
          columnKey: 'selection',
          type: 'selection',
          width: 45,
          align: 'center',
          selectable: (row, index) => {
            return !this.processData.some((it) => it.id == row.id || it.categoryId == row.id);
          },
          reserveSelection: true,
          fixed: 'left'
        },

        {
          label: '物料名称',
          prop: 'name',
        },

        {
          label: '物料编码',
          prop: 'code'
        },
        {
          label: '牌号',
          prop: 'brandNum'
        },
        {
          label: '型号',
          prop: 'modelType'
        },

        {
          prop: 'measuringUnit',
          label: '计量单位',
          showOverflowTooltip: true,
     
        },

        {
          prop: 'weightUnit',
          label: '重量单位',
          showOverflowTooltip: true,
       
        },



        {
          prop: 'roughWeight',
          label: '毛重',
          showOverflowTooltip: true,
          minWidth: 90
        },

        {
          prop: 'netWeight',
          label: '净重',
          showOverflowTooltip: true,
          minWidth: 90
        },






      ],

      // 表格选中数据
      selection: [],

      processData: [],
      current: null

    }
  },

  watch: {

  },
  methods: {


    /* 表格数据源 */
    async datasource({ page, limit, where }) {
      const res = await getList({
        ...where,

        pageNum: page,
        size: limit,
        categoryLevelId: 1,

      });
      return res;
    },

    open(item, row, type) {
      this.type = type
      this.processData = item || []
      this.current = row;
      this.visible = true

      this.getTreeData();
    },



    async getTreeData() {
      try {
        this.treeLoading = true;

        const res = await getTreeByPid(1);
        this.treeLoading = false;
        if (res?.code === '0') {
          this.treeList = res.data;

          this.$nextTick(() => {
            // 默认高亮第一级树节点
            if (this.treeList[0]) {
              this.rootTreeId = this.treeList[0].id
              this.$nextTick(() => {
                this.$refs.treeRef.setCurrentKey(this.treeList[0].id);
              });

            }
          });
          return this.treeList;
        }
      } catch (error) { }
      this.treeLoading = false;
    },


    handleNodeClick(data) {
      this.categoryLevelId = data.id;
      this.$refs.table.reload({ pageNum: 1, where: {} });



    },


    /* 刷新表格 */
    reload(where) {
      this.$refs.table.reload({ page: 1, where: where });
    },



    handleClose() {
      this.visible = false
      this.$refs.table.setSelectedRows([]);
      this.selection = []

    },
    selected() {
      let _arr = []
      if (!this.selection.length) {
        this.$message.error('请至少选择一条数据');
        return;
      }
      if (this.type == 'add') {
       _arr = this.selection.map(m => {
          m.categoryId = m.id
          delete m.id
          return {
            ...m
          }
        })
      }

      this.$emit('chooseModal', _arr, this.current)
      this.handleClose()
    },
  }
}
</script>

<style lang="scss" scoped>
.btns {
  text-align: center;
  padding: 10px 0;
}
</style>
